Narrowing searches based on url, author, date, and other attributes is also possible. For instance, the query [ Streisand sourcename:Techdirt ] restricts searches for "Streisand" to items from the blog "Techdirt".
Examples of other operators follow:

sourceurl:http://www.theverge.com/

items from the blog http://www.theverge.com/

sourcename:"New York"

items from blogs with "New York" in the name

date:10/20/11

items that appeared on 10/20/11

date:[10/1/11 TO 10/20/11]

items appearing between 10/1/11 and 10/20/11

author:"Bill Gates"

items by author "Bill Gates"

title:unsubstantiated

items with "unsubstantiated" in the title

body:"severely polluted"

items with "severely polluted" in the body

link:http://www.marco.org/2011/04/16/rumored-apple-hdtv

items linking to http://www.marco.org/2011/04/16/rumored-apple-hdtv

Note: all operators that take urls will accept simple domain names, which match any item at that domain, or complete item urls.

Results 101 - 110 of 115:

Quake rattles cellphone service
— The Department of Homeland Security had some advice for people trying to contact family members in the wake of Tuesday's earthquake: “Avoid calls.” — While wireless carriers said their systems weren't hurt by the 5.9 quake, the resulting call volume did them in.

Google's PAC posts big uptick
— Google is ramping up its campaign machine ahead of the 2012 election, raking in $570,000 for its political action committee in the first six months of the year — the most it has raised in a single cycle since its PAC opened shop.

Al Franken: Smart phone and app privacy no joke
— Sen. Al Franken is planning to take a hard look Tuesday at the way iPhones, Androids and BlackBerrys — and the apps that run on them — collect and use personal information about their owners, including their locations.

Apple enlists new lobbying help
— Apple has hired new lobbying help in D.C. this year as high-wattage Beltway battles over taxes, trade, privacy and patent reform begin to reverberate as far as Silicon Valley. — Official lobbying disclosures show the company picked up the firm Fierce …

Obama plays up technology's value
— The promise of technology heavily underpinned President Barack Obama's State of the Union address, as he emphasized the importance of clean tech, broadband and science education in achieving his goal to “out-innovate, out-educate, and out-build the rest of the world.”

White House to continue copyright crackdown
— The Obama administration is just getting started in its mission to shut down rogue websites that illegally share copyrighted content such as movies and music. — The White House's intellectual property czar, Victoria Espinel …

FCC readies for potential Net neutrality agenda
— The Federal Communications Commission is pushing back its scheduled December open meeting from Dec. 15 to Dec. 21 — a six-day change that gives the agency extra time to decide its next move on Net neutrality.

D.C. crowd's path to Silicon Valley
— A trek to Silicon Valley has become a must-do for D.C. lawmakers seeking to stress their business and tech bona fides while developing relationships that could lead to big campaign donations down the road. — Just last week, six Democratic senators …

Silicon Valley: D.C. doesn't get tech
— BlackBerrys, iPhones and Droids may dot congressional committee chambers and sometimes — despite rules to the contrary — appear on the House and Senate floors. But a growing frustration still pervades Silicon Valley that there is more than distance separating Washington and Silicon Valley.